From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:63905 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752408AbbJ0LfH (ORCPT ); Tue, 27 Oct 2015 07:35:07 -0400 Date: Tue, 27 Oct 2015 07:34:35 -0400 From: Chris Mason To: Qu Wenruo CC: , "linux-btrfs@vger.kernel.org" Subject: Re: [PATCH v3 06/21] btrfs: delayed_ref: Add new function to record reserved space into delayed ref Message-ID: <20151027113435.GA837@ret.edimax.com> References: <1444702827-18169-1-git-send-email-quwenruo@cn.fujitsu.com> <1444702827-18169-7-git-send-email-quwenruo@cn.fujitsu.com> <562EF9D7.50101@cn.fujitsu.com> <20151027051403.GA23134@ret.thefacebook.com> <562F1032.7040103@cn.fujitsu.com> <20151027061203.GA25844@ret.thefacebook.com> <562F3E74.4040205@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <562F3E74.4040205@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, Oct 27, 2015 at 05:05:56PM +0800, Qu Wenruo wrote: > > > Chris Mason wrote on 2015/10/27 02:12 -0400: > >On Tue, Oct 27, 2015 at 01:48:34PM +0800, Qu Wenruo wrote: > >>>>Are you testing integration-4.4 from Chris repo? > >>>>Or 4.3-rc from mainline repo with my qgroup reserve patchset applied? > >>>> > >>>>Although integration-4.4 already merged qgroup reserve patchset, but it's > >>>>causing some strange bug like over decrease data sinfo->bytes_may_use, > >>>>mainly in generic/127 testcase. > >>>> > >>>>But if qgroup reserve patchset is rebased to integration-4.3 (I did all my > >>>>old tests based on that), no generic/127 problem at all. > >>> > >>>Did I mismerge things? > >>> > >>>-chris > >>> > >>Not sure yet. > >> > >>But at least some patches in 4.3 is not in integration-4.4, like the > >>following patch: > >>btrfs: Avoid truncate tailing page if fallocate range doesn't exceed inode > >>size > > > >Have you tried testing integration-4.4 merged with current Linus git? > > > >-chris > > > Integration-4.4 merged with Linus' master also fails. :( > > Current known working branches are all based on 4.3-integration(4.2-rc5): > https://github.com/adam900710/linux/tree/qgroup_reserve_good > > Tried 4.3-rc5 and 4.3-rc7, all fails with kernel warning in generic/137. > > And due to the huge difference, I'm afraid it won't take a short time to > find the root cause... Ok, this is the top merge commit in integration: commit a9e6d153563d2ed69c6cd7fb4fa5ce4ca7c712eb Merge: 56fa9d0 0584f71 Author: Chris Mason Date: Wed Oct 21 19:00:38 2015 -0700 Merge branch 'allocator-fixes' into for-linus-4.4 Please try commit 56fa9d0, which doesn't have Josef's allocator fixes. It's possible there is a conflict with your changes in there. -chris